Contact and Location Info

Headquarters (Office and Laboratory)

Personalis, Inc.
1330 O’Brien Drive
Menlo Park, CA 94025

Hours of Operation:
Monday – Friday 9 AM – 5 PM PST
General Inquiries:
  • U.S. Toll-free: 1-855-GENOME4 (436-6634)
  • International Tel: +1-650-752-1300
  • International Fax: +1-650-752-1301
  • E-mail:
Clinical Inquiries:


European Office

Personalis U.K. Limited
Squires House, 205A High Street
West Wickham, Kent BR 40PH

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